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More on graph theoretic software watermarks: Implementation, analysis, and attacks

delete2009-01-01
delete24
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C
Christian Collberg *
A
A. Huntwork
E
Edward Carter
G
Gregg M. Townsend
M
Michael Stepp
DOI:10.1016/j.infsof.2008.09.016delete
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摘要

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En 中文
This paper presents an implementation of the watermarking method proposed by Venkatesan et al. in their paper [R. Venkatesan, V. Vazirani. S. Sinha, A graph theoretic approach to software watermarking, in: Fourth International Information Hiding Workshop, Pittsburgh, PA, 2001]. An executable program is marked by the addition of code for which the topology of the control-flow graph encodes a watermark. We discuss issues that were identified during construction of an actual implementation that operates on Java bytecode. We present two algorithms for splitting a watermark number into a redundant set of pieces and an algorithm for turning a watermark number into a control-now graph. We measure the size and time overhead of watermarking, and evaluate the algorithm against a variety of attacks. (C) 2008 Elsevier B.V. All rights reserved.
Keyword:
Software watermarking
Software protection
Surreptitious software
Software piracy protection
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